Creating a JButton from an Action object : JButton « Swing « Java Tutorial

Creating a JButton from an Action object
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;

class ShowAction extends AbstractAction {
  Component parentComponent;

  public ShowAction(Component parentComponent) {
    putValue(Action.MNEMONIC_KEY, new Integer(KeyEvent.VK_A));
    this.parentComponent = parentComponent;

  public void actionPerformed(ActionEvent actionEvent) {
        JOptionPane.showMessageDialog(parentComponent, "About Swing", "About Box V2.0",

public class ContructMenuWithAction {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("MenuSample Example");

    JButton bn = new JButton(new ShowAction(frame));


    frame.setSize(350, 250);

14.5.1.Creating a JButton
14.5.2.Creating a JButton from an Action objectCreating a JButton from an Action object
14.5.3.Using MnemonicsUsing Mnemonics
14.5.4.Displaying Mnemonics in Button textDisplaying Mnemonics in Button text
14.5.5.Adding Icon to JButtonAdding Icon to JButton
14.5.6.Adding a Rollover and Pressed Icon to a JButton Component
14.5.7.Adding a Disabled Icon to a JButton Component
14.5.8.Set pressed icon
14.5.9.Setting the Gap Size Between the Label and Icon in a JButton Component
14.5.10.Change button Horizontal Text Position
14.5.11.Set Rollover Icon and set Rollover Enabled
14.5.12.Button with user-draw Image iconButton with user-draw Image icon
14.5.13.Button icons, a default button, HTML in a button,and button mnemonics.
14.5.14.Placing Text and Icon togetherPlacing Text and Icon together
14.5.15.Displaying HTML on JButtonDisplaying HTML on JButton
14.5.16.Creating a Multiline Label for a JButton Component
14.5.17.Lines are left justified. This label text will center the lines
14.5.18.Label text italicizes the second line
14.5.19.Register two event listeners to JButtonRegister two event listeners to JButton
14.5.20.Setting the default buttonSetting the default button
14.5.21.Set tooltip for buttonSet tooltip for button
14.5.22.Call button doClick method to simulate a click action
14.5.23.Dynamically update the appearance of a component
14.5.24.Customizing a JButton Look and Feel
14.5.25.Buttons used in toolbars.
14.5.26.Transfer focus from button to button with help of arrows keys.
14.5.27.Arrow Button